TQRExpr has very limited functions, and can only deal with simple
expression. I do not think you can present your date though that
TQRExpr.

I will add a calculated TDataTime field for my table or query, all the calculation can be done there. The field add can has a
"DisplayFormat" property which equals "yyyy/mm/dd". After that I
can use a TQRDBText to present it. Remember to set the "DateSeparator" system variable to "/"(DateSeparator:='/').

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